utils::globalVariables(c("country_id", "country_text_id", "country_name", "year",
                          "v2x_regime", "v2x_polyarchy", "v2x_polyarchy_codelow", "v2x_polyarchy_codehigh",
                          "reg_start_year", "reg_end_year", "reg_id", "reg_type" ,
                          "reg_trans", "founding_elec", "row_regch_event", "row_regch_censored",
                           "dem_ep", "dem_ep_id", "dem_ep_start_year", "dem_ep_end_year" ,
                          "dem_pre_ep_year", "dem_ep_termination", "sub_dem_ep", "sub_dem_ep_id",
                          "sub_dem_ep_start_year", "sub_dem_ep_end_year", "dem_ep_outcome", "dem_ep_censored" ,
                           "aut_ep", "aut_ep_id", "aut_ep_start_year", "aut_ep_end_year" ,
                           "aut_pre_ep_year", "aut_ep_termination", "sub_aut_ep", "sub_aut_ep_id" ,
                          "sub_aut_ep_start_year","sub_aut_ep_end_year","aut_ep_outcome","aut_ep_censored",
                         "codingstart", "codingend", "gapstart1", "gapstart2", "gapstart3", "gapend1", "gapend2",
                         "gapend3", "v2elasmoff_ord", "gapstart", "gapend", "row_regch_year", "row_regch_filled",
                         "v2eltype_0", "v2eltype_4", "v2eltype_6", "dem_founding_elec", "row_demtrans_dum", "aut_founding_elec",
                         "aut_stabilized", "aut_closed", "row_breakdown_dum", "codingstart2", "episode_id", "character_id",
                         "last_ch_year", "newid", "back_closed", "origsample", "overlap", "ep_type", "episode", "dem_eps",
                         "aut_eps", "countries, overlap_eps",
                         "country_id",            "country_text_id",        "country_name" ,          "year"  ,                 "v2x_regime"   ,         
                         "v2x_polyarchy" ,         "v2x_polyarchy_codelow" , "v2x_polyarchy_codehigh" ,"reg_start_year"     ,    "reg_end_year" ,         
                         "reg_id"     ,            "reg_type"    ,           "reg_trans"   ,           "founding_elec"    ,      "row_regch_event" ,      
                         "row_regch_censored"  ,   "dem_ep"   ,              "dem_ep_id"      ,        "dem_ep_start_year"    ,  "dem_ep_end_year"   ,    
                         "dem_pre_ep_year"     ,   "dem_ep_termination" ,    "dem_ep_prch"   ,         "dem_ep_ptr"  ,           "dem_ep_subdep" ,        
                         "dem_ep_outcome"     ,    "dem_ep_outcome_agg"  ,   "dem_ep_censored"    ,    "aut_ep"    ,             "aut_ep_id"  ,           
                         "aut_ep_start_year"   ,   "aut_ep_end_year"   ,     "aut_pre_ep_year"  ,      "aut_ep_termination"  ,   "aut_ep_prch"  ,         
                         "aut_ep_pbr"     ,        "aut_ep_subreg"   ,       "aut_ep_outcome"   ,      "aut_ep_outcome_agg"  ,   "aut_ep_censored",
                         "aut_ep_uncertain", "breakdown", "dem_ep_uncertain", "dem_trans"))

